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Slicing of a NumPy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m)?
I want to slice a NumPy nxn array. I want to extract an arbitrary selection of m rows and columns of that array (i.e. without any pattern in the numbers of rows/columns), making it a new, mxm array. For this example let us say the array is 4x4 and I want to extract a 2x2 array from it.
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What is the difference between PS1 and PROMPT_COMMAND
...ref.html
PROMPT_COMMAND
If set, the value is interpreted as a command to execute before
the printing of each primary prompt ($PS1).
I never used it, but I could have used this back when I only had sh.
share
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annotation to make a private method public only for test classes [duplicate]
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The common way is to make the private method protected or package-private and to put the unit test for this method in the same package as the class under test.
Guava has a @VisibleForTesting annotation, but it's only for documentation purposes...
OpenID vs. OAuth [duplicate]
...is really the difference between OpenID and oAuth? They look just the same to me.
5 Answers
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Xcode 6 Storyboard the wrong size?
...ch in Swift in Xcode 6 (Beta 1) and have seen some strange behaviour with Storyboards and the output that I am viewing.
9 A...
Partial Commits with Subversion
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With git-svn you can make a local GIT repository of the remote SVN repository, work with it using the full GIT feature set (including partial commits) and then push it all back to the SVN repository.
git-svn (1)
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Choosing Java vs Python on Google App Engine
...ports both Python & Java. Java support is less mature. However, Java seems to have a longer list of libraries and especially support for Java bytecode regardless of the languages used to write that code. Which language will give better performance and more power? Please advise. Thank you!
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What does send() do in Ruby?
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send sends a message to an object instance and its ancestors in class hierarchy until some method reacts (because its name matches the first argument).
Practically speaking, those lines are equivalent:
1.send '+', 2
1.+(2)
1 + 2
Note that sen...
.gitignore exclude folder but include specific subfolder
I have the folder application/ which I add to the .gitignore . Inside the application/ folder is the folder application/language/gr . How can I include this folder?
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How can I override the OnBeforeUnload dialog and replace it with my own?
I need to warn users about unsaved changes before they leave a page (a pretty common problem).
11 Answers
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